If it’s open source it’s under the user’s control, so it’s almost impossible for a company to guarantee DRM is actually implemented instead of the device just claiming to implement it, decrypting the stream and not actually implementing any restrictions.
The whole point of DRM is to take control away from the end user so their device does what a company wants instead of what the device’s owner wants. If the user has control, you can’t have DRM.
If it’s open source it’s under the user’s control, so it’s almost impossible for a company to guarantee DRM is actually implemented instead of the device just claiming to implement it, decrypting the stream and not actually implementing any restrictions.
The whole point of DRM is to take control away from the end user so their device does what a company wants instead of what the device’s owner wants. If the user has control, you can’t have DRM.